The synthesis and characterization of some new five-co-ordinate mononitrosyl cobalt complexes of the type [CoL4(NO)][BPh4]2 [L = P(OMe)3, P(OEt)3, or PPh(OEt)2] is described. The reactivity of these compounds with π-acceptor ligands such as NO, CO, phosphite, and isocyanide is discussed. Furthermore, the reaction with molecular oxygen and with halide ions (X-) has been investigated and a new method of obtaining the cations [CoXL3(NO)]+ has been achieved. The cathodic and anodic behaviour of the complex [Co{P(OEt)3}4(NO)][BPh4]2 at a platinum electrode in acetonitrile is also reported.
Synthesis, reactivity, and electrochemical behaviour of new five-co-ordinate nitrosyl cobalt complexes
ALBERTIN, Gabriele;BORDIGNON, Emilio;MAZZOCCHIN, Gian Antonio;ORIO, Angelo Antonio;
1981-01-01
Abstract
The synthesis and characterization of some new five-co-ordinate mononitrosyl cobalt complexes of the type [CoL4(NO)][BPh4]2 [L = P(OMe)3, P(OEt)3, or PPh(OEt)2] is described. The reactivity of these compounds with π-acceptor ligands such as NO, CO, phosphite, and isocyanide is discussed. Furthermore, the reaction with molecular oxygen and with halide ions (X-) has been investigated and a new method of obtaining the cations [CoXL3(NO)]+ has been achieved. The cathodic and anodic behaviour of the complex [Co{P(OEt)3}4(NO)][BPh4]2 at a platinum electrode in acetonitrile is also reported.
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